Copy Of 01 Breathing
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Transcript

  • 1. Breathing
  • 2. Objectives
    • Name parts of the lungs
    • Describe how and why we inhale and exhale
    • Describe how gas exchange works in an alveolus
    • Describe 4 special features of the alveoli
  • 3. Keywords
    • Trachea, bronchus , bronchiole, alveolus , alveoli, diaphragm , intercostal muscles, inhale , exhale, ventilation
  • 4. The Lungs nabdome valeoli bronciohle norbchus phragmiad lugn bir sumcles ribs axthor cheaart
  • 5. The Lungs phragmiad nabdome axthor cheaart norbchus valeoli bronciohle lugn bir sumcles ribs
  • 6. The Lungs diaphragm abdomen thorax trachea bronchus alveoli bronchiole lung rib muscles ribs
  • 7. Inhaling The diaphragm moves down Ribs move up and out
  • 8. Exhaling The diaphragm moves up Ribs move down and in
  • 9.  
  • 10. Gas Exchange Red blood cell (dumping carbon dioxide) oxygen Carbon dioxide capillary alveolus Red blood cell (picking up oxygen)
  • 11. Plenary
    • State 3 ways in which alveoli are adapted to their function:
    • Thin
    • Moist
    • Rich blood supply (lots of capillaries around them)